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Evolution behavior of oxide scales of TiAlCrN coatings at high temperature
Department固体润滑国家重点实验室
Sui Xudong1,2,3; Li Guojian2; Zhou Haibin1,3; Zhang Shuaituo1,3; Yu Yuan1,3; Wang Qiang2; Hao Junying1
The second department润滑与防护薄膜研究组
2019-02
Source PublicationSURFACE & COATINGS TECHNOLOGY
Issue360Pages:133-139
Abstract

Coating oxidation performance is a major concern in modern machining and other high temperature applications. This study presents TiAICrN composite coatings with different Cr content prepared on a magnetron sputtering device. SEM, AFM and XRD were used to determine the structure of the coatings. It was found that the coatings show a solid solution of B1-NaCl face-centered cubic structure with [200] preferential orientation. As the Cr content increases, the particle size and roughness of the coating increase slightly, while the hardness of the coating decreases. Oxidation tests revealed that no significant oxidation occurs in all coatings below 800 degrees C. However, as the oxidation temperature increases to 1000 degrees C, the Ti0.32Al0.38Cr0.30N coating undergoes severe oxidation and the Ti0.17Al0.19Cr0.64N coating remains good. The oxide scale of the coatings after oxidation test is analysis by XPS depth profiling in details. XPS results revealed that the oxide scale of the Ti0.32Al0.38Cr0.30N coating changes from a dense Al rich oxide layer (800 degrees C) to a loose and discontinuous Ti-Al rich oxide layer (1000 degrees C), which is the main reason for its poor oxidation resistance. However, the Ti0.17Al0.19Cr0.64N coating shows a top loose Ti-Al rich oxide layer and a dense bottom Cr Al rich oxide layer. The presence of this dense and continuous Cr Al rich oxide layer can limit the rapid diffusion of Ti atoms to the surface while preventing the oxygen atoms from diffusing into the interior, which is the key to excellent oxidation resistance of the Ti0.17Al0.19Cr0.64N coatings.

KeywordTialcrn Oxidation Resistance Oxide Scale Xps
DOI10.1016/j.surfcoat.2019.01.016
If3.192
Language英语
compositor第一作者单位
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.licp.cn/handle/362003/24991
Collection固体润滑国家重点实验室(LSL)
青岛研发中心/青岛市资源化学与新材料研究中心
Corresponding AuthorSui Xudong
Affiliation1.State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
2.Northeastern Univ, Minist Educ, Key Lab Electromagnet Proc Mat, Shenyang 110004, Liaoning, Peoples R China
3.Qingdao Ctr Resource Chem & New Mat, Qingdao 266000, Peoples R China
Recommended Citation
GB/T 7714
Sui Xudong,Li Guojian,Zhou Haibin,et al. Evolution behavior of oxide scales of TiAlCrN coatings at high temperature[J]. SURFACE & COATINGS TECHNOLOGY,2019(360):133-139.
APA Sui Xudong.,Li Guojian.,Zhou Haibin.,Zhang Shuaituo.,Yu Yuan.,...&Hao Junying.(2019).Evolution behavior of oxide scales of TiAlCrN coatings at high temperature.SURFACE & COATINGS TECHNOLOGY(360),133-139.
MLA Sui Xudong,et al."Evolution behavior of oxide scales of TiAlCrN coatings at high temperature".SURFACE & COATINGS TECHNOLOGY .360(2019):133-139.
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